Triple
T16551703
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | A-Train satellite constellation |
E402086
|
entity |
| Predicate | followsInTrack |
P134
|
FINISHED |
| Object | OCO-2 |
E1220463
|
NE FINISHED |
How this triple was built (2 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: OCO-2 | Statement: [A-Train satellite constellation, followsInTrack, OCO-2]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: OCO-2 Context triple: [A-Train satellite constellation, followsInTrack, OCO-2]
-
A.
OCO-2
chosen
OCO-2 is a NASA Earth observation satellite dedicated to precisely measuring atmospheric carbon dioxide to improve understanding of the global carbon cycle and climate change.
-
B.
GPM Core Observatory satellite
The GPM Core Observatory satellite is a joint NASA–JAXA mission that serves as the centerpiece of the Global Precipitation Measurement program, providing highly accurate, global observations of rain and snow to improve weather forecasting and climate research.
-
C.
Landsat 8
Landsat 8 is an Earth observation satellite in the long-running Landsat program, providing high-resolution multispectral imagery for environmental monitoring, land use analysis, and climate research.
-
D.
Landsat 9
Landsat 9 is a NASA and USGS Earth observation satellite that continues the decades-long Landsat program by collecting high-resolution multispectral imagery to monitor and study changes on the planet’s surface.
-
E.
CALIPSO
CALIPSO is a joint NASA–CNES Earth observation satellite mission that uses lidar and imaging instruments to study clouds and aerosols and their impact on Earth’s climate and radiation budget.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69d88384bc30819084229e7dcdc39a41 |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e34fc56f9081908bb8f6433a1a688d |
completed | April 18, 2026, 9:32 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a006edbd8388190b9a96c1cc5c9119e |
completed | May 10, 2026, 11:41 a.m. |
Created at: April 10, 2026, 5:15 a.m.